27-Foot Round Sunlight Expandable Overlap Above-Ground Swimming Pool Liner, 60-Inch Wall Height, 25 Gauge Fits pools that are 27 Ft. round and dished out to 60 In. depth Swimming pool liner for above-ground pools with a dished out middle. Lap welded seams, reducing both lateral and vertical tension. Extra heavy Duty, 100% virgin vinyl material Protected against chemicals and UV fading Best cold crack resistance in the industry. 25 gauge liners are backed by a 25 year limited warranty.